How to fix the Oracle error ORA-30727: duplicate referential constraint for a REF column?

In this post, you’ll learn more about the Oracle ErrorORA-30727: duplicate referential constraint for a REF column with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30727: duplicate referential constraint for a REF column

Reason for the Error ORA-30727: duplicate referential constraint for a REF column

Multiple referential constraints were specified for a single REF column.

How to fix the Error ORA-30727: duplicate referential constraint for a REF column ?

You can fix this error in Oracle by following the below steps

Remove the duplicate referential constraint and retry the operation.